diff --git a/shadowsocks-rust.spec b/shadowsocks-rust.spec
index 70ec215..7b0fa31 100644
--- a/shadowsocks-rust.spec
+++ b/shadowsocks-rust.spec
@@ -11,6 +11,7 @@ License:	MIT
 Group:		Networking/Other
 BuildRequires:	rust
 BuildRequires:  cargo
+BuildRequires:  pkgconfig(openssl)
 Provides:	ssserver == %{version}
 Provides:	sslocal == %{version}
 Provides:	ssmanager == %{version}